nobu	2017-04-11 21:20:21 +0900 (Tue, 11 Apr 2017)

  New Revision: 58318

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58318

  Log:
    Install only files explicitly referenced by bundled gems.
    
    [Bug #13417]
    [Fix GH-1580]
    Author:    V?\195?\173t Ondruch <vondruch@r...>

  Modified files:
    trunk/tool/rbinstall.rb
Index: tool/rbinstall.rb
===================================================================
--- tool/rbinstall.rb	(revision 58317)
+++ tool/rbinstall.rb	(revision 58318)
@@ -678,10 +678,12 @@ module RbInstall https://github.com/ruby/ruby/blob/trunk/tool/rbinstall.rb#L678
         return if path == destination_dir
         File.chmod(0700, destination_dir)
         mode = pattern == "bin/*" ? $script_mode : $data_mode
-        install_recursive(path, without_destdir(destination_dir),
-                          :glob => pattern,
-                          :no_install => "*.gemspec",
-                          :mode => mode)
+        spec.files.each do |f|
+          src = File.join(path, f)
+          dest = File.join(without_destdir(destination_dir), f)
+          makedirs(dest[/.*(?=\/)/m])
+          install src, dest, :mode => mode
+        end
         File.chmod($dir_mode, destination_dir)
       end
     end

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